Knoxville Weather Forecast

    • 69
    • 82

    Rain Showers

    • 72
    • 86

    Chance Thunderstorms

    • 72
    • 89

    Chance Rain Showers

    • 66
    • 86

    Rain Showers Likely

    • 63
    • 81

    Partly Sunny

    • 68
    • 82

    Slight Chance Thunderstorms

    • 66
    • 85

    Chance Thunderstorms

Today 13 Aug Knox

Mostly cloudy. Highs in the lower 80s. East Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 13 Aug Knox

Mostly cloudy. A chance of Showers and Thunderstorms this Evening, then Showers with Thunderstorms likely after midnight. Some Thunderstorms may produce heavy rainfall. Locally heavy rainfall possible after midnight. Lows in the upper 60s. East Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 90 percent.

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Knoxville Temperature Statistics

August Temperature

Galesburg Municipal Airport (7.5 miles)

  • Lowest 3 August, 2026

    57.7 °F

  • Average August

    73.6 °F

  • Highest 10 August, 2026

    88.2 °F

Climate (2021–2026)

Galesburg Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    62.5 °F
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